Albert had 3 times as many books as Luke. After Albert and Luke donated 46 books and 14 books away respectively, they were left with an equal number of books. How many books did Albert have at first?
| |
Albert |
Luke |
| Before |
3 u |
1 u |
| Change |
- 46 |
- 14 |
| After |
3 u - 46 |
1 u - 14 |
Albert and Luke had the same number of books left.
3 u - 46 = 1 u - 14
3 u - 1 u = 46 - 14
2 u = 32
1 u = 32 ÷ 2 = 16
Number of books that Albert had at first
= 3 u
= 3 x 16
= 48
Answer(s): 48
